|Question 5Verbal

Source Texts

Text
Smart watches and wireless speakers tend to rely on batteries that can't be easily taken out and swapped for new ones. Environmental policy researcher Jessika Richter warns that because these gadgets can't___ without working batteries, once the batteries stop working, the devices are typically disposed of as trash.
Which choice completes the text with the most logical and precise word or phrase?
decide
A
separate
B
expand
C
function
D